The Internal Security Forces are general armed forces whose authorities incorporate all the Lebanese lands as well as the territorial waters and airs thereof. Their duties include, but are not limited to:
1- In the field of administrational supervision unit:
- Preserving order and security support;
- Providing communal peace;
- Protecting the public and properties;
- Preserving freedoms within the law;
- Implementing law and other related decrees.
2- In the field of jurisdictional supervision unit:
- Performing the duties of jurisdictional supervision unit;
- Executing juridical assignments and writs;
- Implementing judgments and legal orders.
3- In other fields:
- Supporting general authorities in performing their duties;
- Guarding decided by the competent authorities of institutions and public organizations;
- Guarding prisons and managing the same when required;
- Protecting the diplomatic missions in Lebanon.